[NatureNS] more on tent caterpillars vs. fall webworms -- was re spanworms -- was

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From: "James W. Wolford" <jimwolford@eastlink.ca>
Date: Sat, 17 Aug 2013 01:37:00 -0300
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At the risk of confusing you readers further: Of our two species of  
tent caterpillars, only one is a tent-former.  Malacosoma americanum  
is the Eastern Tent Caterpillar, and the caterpillars communally spin  
a tent of silk in a crotch between two or more branches, not in the  
foliage.  But the Forest Tent Caterpillar, Malacosoma disstria, is  
mostly found as solitary larvae; however, it/they are known to march  
communally and to aggregate on tree-trunks, but never form a tent or  
silken nest.

Cheers from Jim the Other, in Wolfville.

Jim Edsall wrote on Aug. 15/13:
>
> No. Tent Caterpillers occur in spring and  early summer, the two  
> species are Malacasoma disstria and Malacasoma americana. They are  
> Lasiocampids closely related  to the silkmoths. The Fall Webworm  
> occurs in  late summer. the species is Hyphantria cunea a Tiger  
> Moth (Arctiidae)
>
> Jim Edsall
> Dartmouth, N.S.
> check out my website at
> http://www3.ns.sympatico.ca/jim.edsall/


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<html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; ">At the risk of confusing you =
readers further: Of our two species of tent caterpillars, only one is a =
tent-former. &nbsp;Malacosoma americanum is the Eastern Tent =
Caterpillar, and the caterpillars communally spin a tent of silk in a =
crotch between two or more branches, not in the foliage. &nbsp;But the =
Forest Tent Caterpillar, Malacosoma disstria, is mostly found as =
solitary larvae; however, it/they are known to march communally and to =
aggregate on tree-trunks, but never form a tent or silken =
nest.<div><br></div><div>Cheers from Jim the Other, in =
Wolfville.<br><div><br><div>Jim Edsall wrote on Aug. =
15/13:</div><blockquote type=3D"cite"><div style=3D"margin-top: 0px; =
margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: =
14px; "><br></div> <span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; orphans: 2; =
text-align: auto; text-indent: 0px; text-transform: none; white-space: =
normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: =
0px; -webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>No. Tent =
Caterpillers&nbsp;occur in spring and&nbsp; early summer, the two =
species are&nbsp;Malacasoma disstria and Malacasoma americana. They are =
Lasiocampids closely related&nbsp;&nbsp;to the silkmoths.&nbsp;The Fall =
Webworm&nbsp;occurs in &nbsp;late summer. the species is Hyphantria =
cunea a Tiger Moth (Arctiidae)</div><div><br>Jim Edsall<span =
class=3D"Apple-converted-space">&nbsp;</span><br>Dartmouth, =
N.S.<br>check out my website at<span =
class=3D"Apple-converted-space">&nbsp;</span><br><a =
href=3D"http://www3.ns.sympatico.ca/jim.edsall/">http://www3.ns.sympatico.=
ca/jim.edsall/</a></div></span></blockquote></div><br></div></body></html>=

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